class  类人猿 {
    void crySpeak(String s) {
        System.out.println(s);
    }
}
class People extends 类人猿 {
    void computer(int a,int b) {
        int c=a*b;
        System.out.println(c);
    }
    void crySpeak(String s) {
        System.out.println("***"+s+"***");
    }
}
public class Example5_10 {
    public static void main(String args[]) {
        类人猿 monkey;
        People geng = new People();
        monkey = geng ;
        monkey.crySpeak("I love this game");
        People people=(People)monkey;
        people.computer(10,10);
    }
}
